Citadel Advisors’s US Treasury 12 Month Bill ETF OBIL Stock Holding History

Citadel Advisors’s Portfolio OBIL Stock Details OBIL Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$392K	Buy	+7,851	New	+$393K	﹤0.01%	10481
2025 Q2	–	Sell	-4,563	Closed	-$229K	–	14306
2025 Q1	$229K	Sell	4,563 -3,359	-42%	-$168K	﹤0.01%	10183
2024 Q4	$397K	Buy	7,922 +3,037	+62%	+$152K	﹤0.01%	9079
2024 Q3	$246K	Sell	4,885 -7,011	-59%	-$351K	﹤0.01%	9723
2024 Q2	$593K	Buy	11,896 +4,512	+61%	+$225K	﹤0.01%	7700
2024 Q1	$369K	Buy	+7,384	New	+$369K	﹤0.01%	9022
2023 Q4	–	Sell	-10,513	Closed	-$525K	–	14939
2023 Q3	$525K	Buy	10,513 +6,355	+153%	+$317K	﹤0.01%	7958
2023 Q2	$208K	Sell	4,158 -23,878	-85%	-$1.19M	﹤0.01%	9806
2023 Q1	$1.41M	Buy	+28,036	New	+$1.41M	﹤0.01%	6039

Other funds holding OBIL

LPL Financial San Diego, California $445B AUM 25.58% 1-Year Est. Return

MML Investors Services Springfield, Massachusetts $49B AUM 25.55% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Stifel Financial St. Louis, Missouri $120B AUM 27.84% 1-Year Est. Return

Equitable Holdings New York $16.7B AUM 24.23% 1-Year Est. Return

NFG

Nations Financial Group Cedar Rapids, Iowa $2.09B AUM 34.27% 1-Year Est. Return

Envestnet Asset Management Chicago, Illinois $424B AUM 22.96% 1-Year Est. Return

Raymond James Financial St Petersburg, Florida $369B AUM 28.27% 1-Year Est. Return

UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

SFS

Sunrise Financial Services Burien, Washington $168M AUM

Citadel Advisors's OBIL Position: Q2 2026 in Review

Citadel Advisors opened a new position in US Treasury 12 Month Bill ETF (OBIL) in Q2 2026: 7,851 shares worth $392K. The stake represents ﹤0.01% of the portfolio and ranks #10481 among its holdings. This is a return to the name: Citadel Advisors previously reported a position in OBIL as recently as Q1 2025.

Citadel Advisors first reported a position in OBIL in Q1 2023 and has held it in 9 quarters since. The position peaked at $1.41M in Q1 2023. 65 funds tracked by Wall St. Rank hold OBIL as of Q2 2026.

Citadel Advisors held 7,851 shares of US Treasury 12 Month Bill ETF worth $392K as of Q2 2026.
US Treasury 12 Month Bill ETF was a new Citadel Advisors position in Q2 2026.
US Treasury 12 Month Bill ETF made up ﹤0.01% of Citadel Advisors's portfolio in Q2 2026, its #10481 holding.
Citadel Advisors first reported a position in US Treasury 12 Month Bill ETF in Q1 2023 and has held it in 9 quarters since.
Citadel Advisors's US Treasury 12 Month Bill ETF position peaked at $1.41M in Q1 2023.
65 funds tracked by Wall St. Rank held US Treasury 12 Month Bill ETF as of Q2 2026.

Based on Citadel Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.